#include<stdio.h>
int main()
{
	int a=1,b=2,c=3,sum;
	sum=a+b+c;
	printf("sum1=%d\n",sum);
	a=4,b=5,c=6;
	sum=a+b+c;
	printf("sum2=%d\n",sum);
	return 0;
}
